CS22898-027

taken from 9 paper(s):

/W.Aoki et al.(2002)/ /W.Aoki et al.(2002)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /G.W.Preston and C. Sneden(2001)/ /D.K.Lai et al.(2007)/ /D.M.Allen et al.(2012)/ /T.Masseron et al.(2012)/ /K.A.Venn et al.(2004)/

W.Aoki et al.,ApJ, 580, 1149, 2002(ADS)

A SUBARU/HIGH DISPERSION SPECTROGRAPH STUDY OF LEAD (Pb) ABUNDANCES IN EIGHT s-PROCESS ELEMENT–RICH, METAL-POOR STARS


Stellar Parameters

Teff : 6250 log g : 3.7 vturb : 1.5

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
Fe I36-2.26+-0.11...5.24+-0.11-2.26+-0.11...5.24+-0.11Fe I
Fe II4-2.25+-0.16...5.25+-0.16-2.25+-0.16...5.25+-0.16Fe II
Sr II2...0.92+-0.411.59+-0.41-1.28+-0.410.98+-0.411.59+-0.41Sr II
Y II2...0.73+-0.200.71+-0.20-1.50+-0.200.76+-0.200.71+-0.20Y II
Zr II2...1.01+-0.171.37+-0.17-1.21+-0.171.05+-0.171.37+-0.17Zr II
Ba II3...2.23+-0.142.20+-0.140.02+-0.142.28+-0.142.20+-0.14Ba II
La II5...2.13+-0.181.10+-0.180.00+-0.182.26+-0.181.10+-0.18La II
Ce II18...2.13+-0.131.51+-0.13-0.07+-0.132.19+-0.131.51+-0.13Ce II
Nd II8...2.23+-0.141.47+-0.140.05+-0.142.31+-0.141.47+-0.14Nd II
Sm II3...2.08+-0.150.82+-0.15-0.14+-0.152.12+-0.150.82+-0.15Sm II
Eu II3...1.88+-0.150.18+-0.15-0.34+-0.151.92+-0.150.18+-0.15Eu II
Dy II2...1.78+-0.170.70+-0.17-0.40+-0.171.86+-0.170.70+-0.17Dy II
Er II4...2.40+-0.171.12+-0.170.20+-0.172.46+-0.171.12+-0.17Er II
Pb II2...2.84+-0.192.65+-0.190.61+-0.192.87+-0.192.65+-0.19Pb II

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-22 2452113 SUBARUHDS 50000 49 60*3 -47.90+-0.47

W.Aoki et al.,PASJ, 54, 933, 2002(ADS)

Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects


Stellar Parameters

Teff : 6250 log g : 3.7 vturb : 1.5

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A...+2.2+-0.38...0.06+-0.382.32+-0.388.49+-0.38C
CNN/A...+0.9...-1.221.046.61CN
Mg I5...+0.41+-0.19...-1.87+-0.190.39+-0.195.73+-0.19Mg I
Al I1...-0.86+-0.17...-3.10+-0.17-0.84+-0.173.35+-0.17Al I
Ca I4...+0.40+-0.14...-1.84+-0.140.42+-0.144.50+-0.14Ca I
Ti I3...+0.41+-0.15...-1.78+-0.150.48+-0.153.17+-0.15Ti I
Ti II9...+0.43+-0.24...-1.76+-0.240.50+-0.243.19+-0.24Ti II
Cr I2...-0.10+-0.13...-2.33+-0.13-0.07+-0.133.31+-0.13Cr I
Mn I2...-0.58+-0.08...-2.88+-0.08-0.62+-0.082.55+-0.08Mn I
Fe I36-2.26+-0.11......-2.26+-0.11...5.24+-0.11Fe I
Fe II4-2.25+-0.16......-2.25+-0.16...5.25+-0.16Fe II
Ni I6...+0.02+-0.16...-2.21+-0.160.05+-0.164.01+-0.16Ni I
Sr II2...+0.92+-0.41...-1.24+-0.411.02+-0.411.63+-0.41Sr II
Ba II3...+2.23+-0.14...-0.08+-0.142.18+-0.142.10+-0.14Ba II

Isotopic Ratio

12C/13C 15+-5

Binary Parameters

Vrad -47.90+-0.47

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452113 SUBARUHDS 50000 N/A N/A -47.90+-0.47

A.McWilliam et al.,AJ, 109, 2736, 1995(ADS)

A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.


Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A FRUTTI 22000 N/A N/A N/A

A.McWilliam et al.,AJ, 109, 2757, 1995(ADS)

Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.


Stellar Parameters

Teff : 6000 log g : 3.60+-0.28 vturb : 1.42+-0.19

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A...1.90...-0.331.868.10C
NaN/A...0.47...-1.800.394.44Na
MgN/A...0.09...-2.29-0.105.31Mg
CaN/A...0.37...-1.970.224.37Ca
Fe IN/A-2.36......-2.19...5.31Fe I
Fe IIN/A-2.34......-2.17...5.33Fe II
NiN/A...0.53...-1.800.394.42Ni
SrN/A...0.97...-1.360.831.51Sr
BaN/A...2.67...0.262.452.44Ba
EuN/A...2.04...-0.331.860.19Eu

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A FRUTTI 22000 N/A N/A N/A

G.W.Preston et al.,AJ, 122, 1545, 2001(ADS)

The Incidence of Binaries among Very Metal-poor Carbon Stars


Stellar Parameters

Teff : 6300 log g : 4.0 vturb : 2.0

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CHN/A...1.95...-0.102.078.33CH
CNN/A...1.20...-0.831.347.00CN
Na I2...0.17...-1.910.264.33Na I
Mg I4...0.13...-2.060.115.54Mg I
Ti II5...0.23...-1.870.303.08Ti II
Fe I30-2.17......-2.17...5.33Fe I
Fe II6-2.13......-2.13...5.37Fe II
Sr II2...0.6...-1.470.701.40Sr II
Y II4...0.95...-1.190.981.02Y II
Zr II2...1.39...-0.761.411.82Zr II
Ba II4...2.27...0.052.222.23Ba II
La II4...2.28...0.182.351.28La II
Nd II4...2.00...-0.092.081.33Nd II
Eu II3...1.94...-0.241.930.28Eu II

Isotopic Ratio

12C/13C >20

Binary Parameters

Vrad -48.5

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A 2447750.70 FRUTTI 30000 N/A N/A -47.8
N/A 2447752.60 FRUTTI 30000 N/A N/A -48.7
N/A 2449576.72 FRUTTI 30000 N/A N/A -49.5
N/A 2449937.72 FRUTTI 30000 N/A N/A -49.0
N/A 2450292.64 FRUTTI 30000 N/A N/A -49.1
N/A 2450706.73 FRUTTI 30000 N/A N/A -47.7
N/A 2450996.79 FRUTTI 30000 N/A N/A -48.9
N/A 2451035.73 FRUTTI 30000 N/A N/A -49.3
N/A 2451358.81 FRUTTI 30000 N/A N/A -48.5
N/A 2451384.67 FRUTTI 30000 N/A N/A -48.6
N/A 2451385.67 FRUTTI 30000 N/A N/A -49.0
N/A 2451386.68 FRUTTI 30000 N/A N/A -48.5

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5750 log g : 3.58

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A...1.45+-0.19...-0.71+-0.191.41+-0.197.72+-0.19C
FeN/A-2.29......-2.12...5.38Fe
SrN/A...1.12...-1.140.981.73Sr
BaN/A...2.16...-0.181.942.00Ba

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKII 7000 N/A N/A N/A

D.M.Allen et al.,AAP, 548, A34, 2012(ADS)

Elemental abundances and classification of carbon-enhanced metal-poor stars


Stellar Parameters

Teff : 6240+-100 log g : 3.72+-0.1 vturb : 1.40+-0.1

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A0.042.34...0.132.438.56C
NN/A-1.061.24...-0.921.386.91N
Ti IIN/A-1.980.32...-1.910.393.04Ti II
FeN/A-2.30+-0.2......-2.30+-0.2...5.20+-0.2Fe
ZnN/A-1.760.54...-1.720.582.84Zn
SrN/A-1.710.59...-1.610.691.26Sr
YN/A-1.700.60...-1.670.630.54Y
ZrN/A-1.021.28...-1.001.301.58Zr
BaN/A-0.042.26...-0.092.212.09Ba
LaN/A-0.112.19...-0.042.261.06La
EuN/A-0.391.91...-0.401.900.12Eu
PbN/A0.592.89...0.612.912.65Pb

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A WHTUES 52000 45 N/A N/A

T.Masseron et al.,ApJ, 751, 14, 2012(ADS)

LITHIUM ABUNDANCES IN CARBON-ENHANCED METAL-POOR STARS


Stellar Parameters

Teff : 6000 log g : 3.5 vturb : 1.4

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
LiN/A......2.18+-0.1-1.08+-0.11.46+-0.12.18+-0.1Li
CN/A......8.0+-0.05-0.43+-0.052.11+-0.058.0+-0.05C
NN/A......6.75+-0.05-1.08+-0.051.46+-0.056.75+-0.05N
ON/A......<7.6<-1.09<1.45<7.6O
NaN/A......4.05+-0.05-2.19+-0.050.35+-0.054.05+-0.05Na
MgN/A......5.45+-0.1-2.15+-0.10.39+-0.15.45+-0.1Mg
FeN/A-2.49+-0.17......-2.54+-0.17...4.96+-0.17Fe
BaN/A......2.2+-0.10.02+-0.12.56+-0.12.2+-0.1Ba
EuN/A......-0.1+-0.05-0.62+-0.051.92+-0.05-0.1+-0.05Eu

Isotopic Ratio

12C/13C 12+-2

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-10-01 N/A VLT 45000 100 N/A N/A

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation


Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
NaN/A...0.47...-1.790.564.45Na
MgN/A...0.09...-2.280.075.32Mg
CaN/A...0.37...-1.960.394.38Ca
TiN/A...0.65...-1.630.723.32Ti
FeN/A-2.35......-2.35...5.15Fe
NiN/A...0.53...-1.790.564.43Ni
BaN/A...2.48...0.082.432.26Ba
EuN/A...2.04...-0.322.030.20Eu

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log